sugarloaf vs loaf

sugarloaf and loaf both are nouns.

Word	Noun	Adjective	Verb	Adverb
sugarloaf	Yes	No	No	No
loaf	Yes	No	Yes	No

As nouns, loaf is a hypernym of sugarloaf; that is, loaf is a word with a broader meaning than sugarloaf:

Other hypernyms of sugarloaf include refined sugar, sugar.

sugarloaf (noun)	loaf (noun)
a large conical loaf of concentrated refined sugar	a shaped mass of baked bread that is usually sliced before eating
	a quantity of food (other than bread) formed in a particular shape

sugarloaf (verb)	loaf (verb)
	be about a place without any apparent purpose
	be lazy or idle